From c60dcb8302fbab324a152f9b95fb8ca997245551 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 7 Sep 2019 23:45:08 +0200
Subject: [PATCH] Prevent assign unknown attributes on Model

by adding __slots__ on PoolMeta

issue8567
review254091002
---
 account.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/account.py b/account.py
index b4d6536bb8..aa7ff5b49e 100644
--- a/account.py
+++ b/account.py
@@ -9,6 +9,7 @@ from trytond.pyson import If, Eval, Bool
 def AccountTypeMixin(template=False):
 
     class Mixin:
+        __slots__ = ()
         unearned_revenue = fields.Boolean(
             "Unearned Revenue",
             domain=[